24 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
- Differential Diagnosis ... negative culture Brain ... endemic fungi - Parasitic ... #Differential #Diagnosis ... #InfectiousDiseases
Miliary Tuberculosis 
Hematogenous dissemination of Mycobacterium tuberculosis 
Clinical: 
 • Failure to thrive 
 • Fever
• Liver • CNS ... Tuberculosis #TB #Pulmonary ... #InfectiousDiseases ... #Diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Chorioretinitis • Diagnosis ... • Nocardia • Parasitic ... RingEnhancing #Lesions #Brain ... #differential #diagnosis
AIDS-defining illnesses
 - Candidiasis of the esophagus, bronchi, trachea, or lungs [(but NOT the mouth (thrush)]
Lymphoma, primary, of brain ... tuberculosis, any site (pulmonary ... Toxoplasmosis of brain ... Illnesses #HIV #InfectiousDiseases ... #Diagnosis #List
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
Transport to brain ... transport across blood-brain ... circumventricular organs CNS ... Pathophysiology #InfectiousDiseases ... #Diagnosis
Cysticercosis - Taenia solium Life Cycle
1) Eggs or gravid proglottids in feces and passed into environment.
2)
subcutaneous tissues, brain ... TaeniaSolium #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
Nocardiosis - Nocardia spp
Pathogen: Filamentous gram-positive branching rod, grows in acid fast staining and anaerobic conditions
Clinical
involved) 32% • Pulmonary ... infection 39% • CNS ... Nocardiosis #Nocardia #diagnosis ... #microbiology #infectiousdiseases
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
, wt loss; CV, CNS ... Variable) - Fungal, parasites ... Lung #Diseases #pulmonary ... #differential #diagnosis
Balamuthia vs Acanthamoeba vs Naegleria - Comparison
Exposure - Host - CNS disease - CNS spread -
Exposure - Host - CNS ... Ameba in CSF - Brain ... - Pathology - Diagnosis ... Comparison #Table #InfectiousDiseases ... #diagnosis
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Coccidioides • Parasite ... febrilepodcast #Brain ... #Differential #Diagnosis ... #causes #infectiousdiseases